What is the cheapest airline that flies from Louisville Intl to Sydney Kingsford Smith?

Qantas Airways and United Airlines are the most popular carriers operating from Louisville Intl to Sydney Kingsford Smith

What airlines fly to Sydney?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Sydney from Louisville according to our data. Qantas Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of November 2026.

How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$740 Cheap Flights from Louisville to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Sydney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:47 am - 6:55 amSDF Louisville Intl-SYD Sydney Kingsford Smith

28h 08m1 stop Dallas/Fort Worth

5:50 pm - 3:15 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

37h 25m2 stops Auckland Intl Dallas/Fort Worth

$1,048Qantas Airways

Tue, Dec 1 - Tue, Dec 8

6:48 pm - 8:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

46h 02m2 stops Dallas/Fort Worth Brisbane

6:20 am - 3:28 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 08m2 stops Brisbane Dallas/Fort Worth

$1,341Multiple Airlines

Sat, Nov 21 - Sat, Dec 5

4:08 pm - 11:05 amSDF Louisville Intl-SYD Sydney Kingsford Smith

26h 57m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 5:57 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

19h 52m1 stop Dallas/Fort Worth

$1,351Qantas Airways

Fri, Jan 29 - Fri, Feb 5

1:14 pm - 6:25 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 11m2 stops Chicago O'Hare Intl Los Angeles

7:20 am - 3:28 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 08m2 stops Brisbane Dallas/Fort Worth

$1,355Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

1:14 pm - 6:25 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 11m2 stops Chicago O'Hare Intl Los Angeles

2:05 pm - 6:25 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 20m1 stop Dallas/Fort Worth

$1,359Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

4:08 pm - 4:10 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

32h 02m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 8:34 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

22h 29m1 stop Dallas/Fort Worth

$1,359Qantas Airways

Fri, Jan 22 - Sat, Jan 30

7:00 am - 12:50 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

37h 50m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 9:59 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

42h 34m2 stops Auckland Intl Houston George Bush Intcntl

$1,362Air New Zealand

Fri, Jan 22 - Sat, Jan 30

7:00 am - 12:50 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

37h 50m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 9:59 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

26h 09m2 stops Auckland Intl Houston George Bush Intcntl

$1,392Air New Zealand

Fri, Jan 29 - Fri, Feb 5

1:59 pm - 9:05 amSDF Louisville Intl-SYD Sydney Kingsford Smith

27h 06m2 stops Chicago O'Hare Intl Los Angeles

1:20 pm - 10:25 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 05m2 stops San Francisco Denver Intl

$1,423United Airlines

Tue, Dec 1 - Tue, Dec 8

9:10 am - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

29h 50m1 stop Houston George Bush Intcntl

11:20 am - 9:00 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 40m2 stops Los Angeles Chicago O'Hare Intl

$1,443United Airlines

Sat, Nov 21 - Sat, Dec 5

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Air New Zealand flights from Louisville to Sydney

Our best Air New Zealand deals on Louisville to Sydney flight tickets

Air New Zealand

Jan 22

SDF7:00 amLouisville Intl

37h 50m

2 stops

SYD12:50 pmSydney Kingsford Smith

Jan 30

SYD7:25 pmSydney Kingsford Smith

42h 34m

2 stops

SDF9:59 pmLouisville Intl

$1,362

Air New Zealand

Jan 29

SDF7:00 amLouisville Intl

37h 50m

2 stops

SYD12:50 pmSydney Kingsford Smith

Feb 5

SYD11:50 amSydney Kingsford Smith

26h 09m

2 stops

SDF9:59 pmLouisville Intl

$1,392

Air New Zealand

Dec 25

SDF9:00 amLouisville Intl

33h 35m

2 stops

SYD10:35 amSydney Kingsford Smith

Jan 2

SYD7:25 pmSydney Kingsford Smith

40h 30m

2 stops

SDF7:55 pmLouisville Intl

$3,443

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

Qantas Airways

Dec 1

SDF10:47 amLouisville Intl

28h 08m

1 stop

SYD6:55 amSydney Kingsford Smith

Dec 8

SYD5:50 pmSydney Kingsford Smith

37h 25m

2 stops

SDF3:15 pmLouisville Intl

$1,048

Qantas Airways

Jan 29

SDF4:08 pmLouisville Intl

26h 57m

2 stops

SYD11:05 amSydney Kingsford Smith

Feb 5

SYD2:05 pmSydney Kingsford Smith

19h 52m

1 stop

SDF5:57 pmLouisville Intl

$1,351

Qantas Airways

Jan 30

SDF4:08 pmLouisville Intl

27h 37m

2 stops

SYD11:45 amSydney Kingsford Smith

Feb 3

SYD2:05 pmSydney Kingsford Smith

22h 29m

1 stop

SDF8:34 pmLouisville Intl

$1,518

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 12/1

10:47 am-6:55 am

1 stop28h 08m

Sydney Kingsford Smith

Tue 12/8

5:50 pm-3:15 pm

2 stops37h 25m

$1,048

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 11/21

6:48 pm-8:50 am

2 stops46h 02m

Sydney Kingsford Smith

Sat 12/5

6:20 am-3:28 pm

2 stops25h 08m

$1,341

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 1/29

4:08 pm-11:05 am

2 stops26h 57m

Sydney Kingsford Smith

Fri 2/5

2:05 pm-5:57 pm

1 stop19h 52m

$1,351

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 12/1

1:14 pm-6:25 am

2 stops25h 11m

Sydney Kingsford Smith

Tue 12/8

7:20 am-3:28 pm

2 stops24h 08m

$1,355

Quickest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 12/1

1:14 pm-6:25 am

2 stops25h 11m

Sydney Kingsford Smith

Tue 12/8

2:05 pm-6:25 pm

1 stop20h 20m

$1,359

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 1/22

4:08 pm-4:10 pm

2 stops32h 02m

Sydney Kingsford Smith

Sat 1/30

2:05 pm-8:34 pm

1 stop22h 29m

$1,359

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 1/22

7:00 am-12:50 pm

2 stops37h 50m

Sydney Kingsford Smith

Sat 1/30

7:25 pm-9:59 pm

2 stops42h 34m

$1,362

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 1/29

7:00 am-12:50 pm

2 stops37h 50m

Sydney Kingsford Smith

Fri 2/5

11:50 am-9:59 pm

2 stops26h 09m

$1,392

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 12/1

1:59 pm-9:05 am

2 stops27h 06m

Sydney Kingsford Smith

Tue 12/8

1:20 pm-10:25 pm

2 stops25h 05m

$1,423

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 11/21

9:10 am-7:00 am

1 stop29h 50m

Sydney Kingsford Smith

Sat 12/5

11:20 am-9:00 pm

2 stops25h 40m

$1,443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Sydney during the month of April, then departing from Louisville during the month May is also very affordable. Most momondo users find prices during this month for around $1,165.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Louisville to Sydney flight.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Best Price Found	$740
Fastest flight time	26h 57m
Direct flights	None

The best one-way flight to Sydney from Louisville in the past 72 hours is $740. The best round-trip flight deal from Louisville to Sydney found on momondo in the last 72 hours is $1,048.

The fastest flight from Louisville to Sydney takes 26h 57m

There are no direct flights from Louisville to Sydney. There are no popular flight routes from Louisville to Sydney.

Search flight deals

Frequently asked questions about flying from Louisville to Sydney

How far is Louisville Intl to Sydney Kingsford Smith by plane?
A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 26h 57m.
When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of November 2026.
How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Sydney is United Airlines (100% of total bookings).

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,243	Free Cancellation	Rating 7.3 10,469 reviews		Search United Airlines flights

Parramatta

Bondi Beach

Wollongong

Penrith

Katoomba

Coogee

Leura

Terrigal

Cronulla

Randwick

Manly

Lithgow

Charlestown

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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Cheap flights from Louisville to Sydney from $740

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air New Zealand flights from Louisville to Sydney

Our best Air New Zealand deals on Louisville to Sydney flight tickets

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

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How to get the cheapest flight ticket from Louisville to Sydney

What is the cheapest month to fly to Sydney?

Can stopping save me money on Louisville to Sydney flights?

What is the cheapest airline that flies from Louisville Intl to Sydney Kingsford Smith?

What airlines fly to Sydney?

When to book flights from Louisville to Sydney

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Sydney

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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